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What is the wavelength of the -Hz radio wave used by “radio-controlled” clocks and wristwatches?​

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Physics

What is the wavelength of the -Hz radio wave used by“radio-controlled” clocks and wristwatches?​

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3.7 Ratings (573 Votes)
Radio clocks depend on coded time signals from radio stationsThe stations vary in broadcast frequency in geographic locationand in how the signal is modulated to identify the current time Ingeneral each station has its own format for the time codeList of radio time signal stationsFrequencyCallsignCountry AuthorityLocationAerial typePowerRemarks25 kHzRJH69 BelarusVNIIFTRI ruVileyka542747N264637ETriple umbrella antennaa300 kWThis is Beta time signal The signal istransmitted in nonoverlapping time200 220 UTC RAB99400 425 UTC RJH86600 620 UTC RAB99700 725 UTC RJH69800 825 UTC RJH90900 925 UTC RJH7710001025 UTC RJH8611001120 UTC RJH632RJH77 RussiaVNIIFTRI ruArkhangelsk642129N413358ETriple umbrella antennab300 kWRJH63 RussiaVNIIFTRI ruKrasnodar44 46 25 N39 32 50 EUmbrella antennac300 kWRJH90 RussiaVNIIFTRI ruNizhny Novgorod56 10 20 N43 55 38 ETriple umbrella antennad300 kWRJH862e KyrgyzstanVNIIFTRI ruBishkek43 02 29 N73 37 09 ETriple umbrella antennaf300 kWRAB99 RussiaVNIIFTRI ruKhabarovsk 48 29 29 N134 48 59 EUmbrella antennag300 kW40 kHzJJY JapanNICT jaMount Otakadoya Fukushima 37 22 21 N140 50 56 ECapacitance hat height 250 m50 kW3 Located near Fukushima50 kHzRTZ RussiaVNIIFTRI    See Answer
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